40804578380

素因数分解:

$2^2\times 5^1\times {\mathrm{2040228919}}^1$

素因数の和:2040228928

約数の個数: 12

約数和(自身を含む): 85689614640

約数和(自身を除く): 44885036260

約数列:

[1, 2, 4, 5, 10, 20, 2040228919, 4080457838, 8160915676, 10201144595, 20402289190, 40804578380]

約数ペア:

[(1, 40804578380), (2, 20402289190), (4, 10201144595), (5, 8160915676), (10, 4080457838), (20, 2040228919)]